posix_getgid

(PHP 3>= 3.0.10, PHP 4 >= 4.0.0)

posix_getgid --  Return the real group ID of the current process

Description

int posix_getgid ( void)

Return the numeric real group ID of the current process. See also posix_getgrgid() for information on how to convert this into a useable group name.